A wireless digital communication system includes a base station in communication with a plurality of user equipment mobile terminals (UEs). The system prioritizes the forwarding of blocks of downlink data to designated ones of the UEs. The system employs adaptive modulation and coding (AM&C) to achieve improved radio resource utilization and provides optimum data rates for user services. Blocks of downlink (DL) data are received by the base station which requests downlink (DL) channel quality measurements only from those mobile terminals (UEs) with pending downlink transmissions. The UEs respond to the request by measuring and reporting DL channel quality to the base station, which then allocates resources such that the UEs will make best use of radio resources. The base station notifies the UEs of the physical channel allocation indicating the modulation/coding rate and allocated slots followed by transmission of blocks of downlink data which are transmitted to the UEs.

Dynamic channel quality measurement procedure implemented in a wireless digital communication system to prioritize the forwarding of downlink data

A valve for use between a vehicle fuel tank vent and a vapor recovery canister in a vehicle fuel tank containing liquid fuel, such a valve comprises: a housing having a fuel tank side and a vapor recovery canister side; and a vapor permeable membrane fixed to the housing to block the passage of liquid fuel.

Fuel vent assembly with floatless rollover protection

A small engine fuel system has a tank with an integrally formed filler tube having the lower end located at a level below the upper portion of the tank wall which is formed of vapor impermeable material which may include HDPE interspersed with EVOH or polyamide. In one exemplary embodiment the filler neck is disposed in a depression in the upper portion of the tank wall; and in another exemplary embodiment the filler tube has an insert which extends into the tank to a position below the upper portion of the tank wall to form a vapor space. The tank includes a fill limiting vapor vent/tipping valve with its outlet connected to a storage canister which outputs to the engine and which has an atmospheric air vent.

System and method for controlling fuel vapor emmission in a small engine

In a fuel tank and a process for manufacturing the fuel tank, accessories emerging through the wall of the tank are covered by a flexible film of multilayer structure that includes a fuel barrier layer. The perimeter of the film is welded to the wall of the tank.

Fuel tank and method for making same

A fuel tank for use with hydrogen carrier fuels. The fuel tank includes a self-supporting shell having an inward facing surface and an outward facing surface. A fluid-tight inner layer is disposed adjacent the inward facing surface and a fluid-tight outer layer is disposed adjacent the outward facing surface. A vent extends through the fluid-tight inner layer, the fluid-tight outer layer, and the self-supporting shell. The fuel tank can also include a gas collection canister connected to the vent.

Methods for fuel tank recycling and net hydrogen fuel and carbon goods production along with associated apparatus and systems

A venting system for venting a gaseous fluid from a tank having an aperture and a fuel delivery module cover. The tank is made of a predetermined material. The venting system comprises a venting valve disposed within the aperture. The venting valve includes a valve body having a top portion and a neck portion extending from the top portion. The top portion is disposed outside the tank and is engaged thereto. The venting system further includes a channel which connects to the valve body so that the venting valve is in fluid communication therewith and is attached to the fuel delivery module cover to allow the gaseous fluid in the tank to be vented therefrom. The venting system further includes a cover which is comprised of the same predetermined material and is welded to the tank to seal the valve between the cover and the tank.

Fuel tank venting system

A method for manufacturing a workpiece, such as an automotive fuel tank, that includes a connection between a male connector and a female connector, one of which includes a tab that is only removable following the connection. The tab includes a computer-readable code that is read by the computer. During manufacturing, the workpiece is loaded into a workstation, the connection is made, and the tab is removed. The tab is presented to a computer to verify the connection. In the event that a command is received to release the workpiece and the computer has not verified the connection, the computer issues an alert. In a workstation that comprises a computer-controlled release mechanism, a preferred alert comprises a refusal to release the workpiece prior to verification of the connection.

Workpiece release with computer verified connections

In one aspect of the invention, a method for assembling a fuel delivery system is provided. The method includes providing a reservoir assembly having a reservoir unit. The method also includes thermoforming a first shell portion and a second shell portion of a fuel tank. The method further includes fixing the reservoir assembly to one of the first and second shell portions. The method also includes sealingly connecting the first and second shell portions to form a fuel tank to enclose the reservoir assembly within the fuel tank.

Thermoformed fuel tank fuel delivery system and assembly method

La presente invention se rapporte a un procede de montage d'un systeme de distribution de carburant (10) Le procede comprend la prevision d'un ensemble de reserve (22) comprenant une unite de reserve Le procede comprend egalement le thermoformage d'une premiere partie de coque (16) et d'une seconde partie de coque (18) d'un reservoir de carburant (12) Le procede comprend en outre la fixation de l'ensemble de reserve (22) a l'une de la premiere (16) et de la seconde (18) parties de coque Le procede comprend egalement le raccordement de facon etanche des premiere et seconde parties de coque (16, 18) en vue de former un reservoir de carburant (12) pour enfermer l'ensemble de reserve (22) a l'interieur du reservoir de carburant (12)

Systeme de distribution de carburant a reservoir de carburant thermoforme

Thermoformed fuel tank fuel delivery system

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